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Forum: Differential Equations

Ordinary and Partial Differential Equations, Linear and Nonlinear; also Integral and Integro-Differential Equations

  1. Sticky Thread Sticky Threads

  2. Sticky Thread Bessel Functions Cheat Sheet

    Started by Ackbach, September 11th, 2015 10:13
    • Replies: 0
    • Views: 898
    September 11th, 2015, 10:13 Go to last post
  3. Sticky Thread Stürm-Liouville Problem Cheat Sheet

    Started by Ackbach, September 4th, 2015 10:10
    • Replies: 0
    • Views: 804
    September 4th, 2015, 10:10 Go to last post
  4. Sticky Thread Status of DE Tutorial

    Started by Chris L T521, December 26th, 2012 03:16
    • Replies: 4
    • Views: 1,902
    July 10th, 2013, 04:41 Go to last post
  1. Normal Thread Normal Threads

  2. [SOLVED] 17.2.10 y_p is a particular solution

    Started by karush, April 21st, 2017 17:01
    $y0=0$, $y=$, equation, frac34x$, solution
    • Replies: 7
    • Views: 152
    April 22nd, 2017, 16:22 Go to last post
  3. Limit of the solution - Which is the conclusion?

    Started by mathmari, April 2nd, 2017 11:52
    $y$, conclude, m_2$, rightarrow, solution
    • Replies: 5
    • Views: 217
    April 2nd, 2017, 15:04 Go to last post
  4. Linear differential equation

    Started by mahmoud shaaban, March 19th, 2017 14:12
    • Replies: 1
    • Views: 213
    March 19th, 2017, 16:41 Go to last post
  5. Asymptotic

    Started by meenums34, February 27th, 2017 05:05
    dominance, find, method, proceed, realised
    • Replies: 1
    • Views: 227
    March 4th, 2017, 09:36 Go to last post
  6. [SOLVED] A tank contains 200 gal of fresh water

    Started by karush, February 23rd, 2017 13:19
    fertilizer, gal, gal/min, maximum, tank
    • Replies: 7
    • Views: 219
    February 23rd, 2017, 23:23 Go to last post
  7. Self-similarity of nonlinear PDE

    Started by Raisa, February 18th, 2017 18:57
    • Replies: 0
    • Views: 95
    February 18th, 2017, 18:57 Go to last post
  8. [SOLVED] 242.7x.13 Solve the differential equation

    Started by karush, February 2nd, 2017 14:54
    2 Pages
    1 2
    $textitjust, 242.7x.13, differential, direction, e^y
    • Replies: 11
    • Views: 483
    February 2nd, 2017, 20:19 Go to last post
  9. Show that the function is the solution

    Started by evinda, January 15th, 2017 18:41
    • Replies: 5
    • Views: 318
    January 20th, 2017, 20:05 Go to last post
  10. Uniqueness of solution

    Started by evinda, October 9th, 2016 11:37
    2 Pages
    1 2
    delta, int_partialb_r, leq, phix_0right|=left|, xi|phixi-phix_0|
    • Replies: 17
    • Views: 910
    January 19th, 2017, 17:03 Go to last post
  11. Questions about proof of theorem

    Started by evinda, January 11th, 2017 15:51
    $omega$, $overlineomega, phi$, setminus, x_0
    • Replies: 1
    • Views: 190
    January 15th, 2017, 07:57 Go to last post
  12. How do we get the relations?

    Started by evinda, December 14th, 2016 16:12
    $gx$, dphi=frac12, int_0^2, nabla_xih, sinphi
    • Replies: 8
    • Views: 497
    December 20th, 2016, 10:45 Go to last post
  13. 2 Differential Equations by Substitution

    Started by abhay, December 14th, 2016 02:51
    • Replies: 5
    • Views: 372
    December 16th, 2016, 00:33 Go to last post
  14. [SOLVED] method of integrating factor

    Started by karush, December 10th, 2016 02:48
    displaystyle, equation$, factor, integrating, method
    • Replies: 2
    • Views: 183
    December 10th, 2016, 03:24 Go to last post
  15. Application of chain rule

    Started by evinda, December 2nd, 2016 05:26
    2 Pages
    1 2
    +infty, derivative, mathbbr^n$, rule, times
    • Replies: 12
    • Views: 558
    December 4th, 2016, 08:28 Go to last post
  16. Show that the function is a solution of the equation

    Started by evinda, December 2nd, 2016 19:55
    cdots, dots+, i=1, v_2, x_i
    • Replies: 8
    • Views: 345
    December 3rd, 2016, 18:56 Go to last post
  17. Differential equation

    Started by wheepep, November 26th, 2016 13:44
    constant, differential equations, equation, find, respect
    • Replies: 2
    • Views: 234
    November 26th, 2016, 16:48 Go to last post
  18. The functions is equal to zero for x=0

    Started by evinda, November 25th, 2016 05:32
    gammat, mathbbr, problem, text, x=phix
    • Replies: 2
    • Views: 196
    November 25th, 2016, 18:26 Go to last post
  19. How do we apply the proposition?

    Started by evinda, November 16th, 2016 05:44
    $omega$, ball, omega, subharmonic, text
    • Replies: 4
    • Views: 364
    November 23rd, 2016, 19:06 Go to last post
  20. Show inequality

    Started by evinda, November 17th, 2016 09:26
    2 Pages
    1 2
    epsilon, e^gamma, leq, show, x_1
    • Replies: 18
    • Views: 773
    November 22nd, 2016, 14:32 Go to last post
  21. How can we improve the estimate?

    Started by evinda, November 20th, 2016 15:50
    3 Pages
    1 2 3
    • Replies: 21
    • Views: 904
    November 21st, 2016, 16:03 Go to last post
  22. Can we just use a part of the boundary?

    Started by evinda, November 16th, 2016 16:33
    3 Pages
    1 2 3
    $omega$, $u$, $u=0$, leq, maximum
    • Replies: 27
    • Views: 899
    November 20th, 2016, 10:29 Go to last post
  23. Maximum principle for subharmonic functions

    Started by evinda, November 10th, 2016 16:14
    2 Pages
    1 2
    $omega$, $v$, constant, harmonic, maximum
    • Replies: 16
    • Views: 710
    November 16th, 2016, 14:53 Go to last post
  24. Differential equations stability

    Started by Harambe, November 9th, 2016 10:03
    $|xt-p|, equilibrium, leq, stability, stable
    • Replies: 2
    • Views: 263
    November 9th, 2016, 12:01 Go to last post
  25. Show that the function equals to the zero function

    Started by evinda, October 22nd, 2016 09:34
    3 Pages
    1 2 3
    $delta, $omega$, continuous, show, subset
    • Replies: 21
    • Views: 988
    October 30th, 2016, 13:40 Go to last post
  26. Show that limit is equal to zero

    Started by evinda, October 26th, 2016 15:16
    dass, fracpartialuxipartialv_xi, geq, int_partialb_epsilon, lim_epsilon
    • Replies: 6
    • Views: 392
    October 30th, 2016, 06:26 Go to last post
  27. How to compute the integral

    Started by evinda, October 12th, 2016 13:16
    $l=, compute, wave, x^2+y^2, integral
    • Replies: 9
    • Views: 514
    October 22nd, 2016, 17:17 Go to last post
  28. Find the function at the point (0,0)

    Started by evinda, October 18th, 2016 16:35
    3 Pages
    1 2 3
    delta, function, int_x^2+y^2=1, phi, theorem
    • Replies: 20
    • Views: 789
    October 21st, 2016, 05:20 Go to last post
  29. Exact ODE?

    Started by NotaMathPerson, September 9th, 2016 08:56
    $$y-2x^2ydx, 0$$, equation, ode, xdy
    • Replies: 4
    • Views: 369
    September 9th, 2016, 09:50 Go to last post
  30. Non-linear 2nd Order ODE

    Started by metstandard16, May 8th, 2016 10:45
    2nd, equation, ode, order, points
    • Replies: 3
    • Views: 456
    September 3rd, 2016, 16:51 Go to last post

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